Use the Test Harness App

Learn how to use the Test Harness to perform common testing and debugging actions.

• Create a Quick Action with an LWC

  Quick actions are an easy way to add and launch your Lightning web components. It’s simple to add them to the Test Harness app.

• Display and Run an LWC from a Quick Action

  During active development, use quick actions in the Test Harness app to launch and test your Lightning web components.